[INFO] fetching crate lex_lua 0.1.9...
[INFO] checking lex_lua-0.1.9 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate lex_lua 0.1.9 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lex_lua 0.1.9 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lex_lua 0.1.9
[INFO] finished tweaking crates.io crate lex_lua 0.1.9
[INFO] tweaked toml for crates.io crate lex_lua 0.1.9 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate lex_lua 0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a974e09730e014018253df5b79f3dc01f93f7619f393f4923059d8b23051bc9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5a974e09730e014018253df5b79f3dc01f93f7619f393f4923059d8b23051bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a974e09730e014018253df5b79f3dc01f93f7619f393f4923059d8b23051bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a974e09730e014018253df5b79f3dc01f93f7619f393f4923059d8b23051bc9", kill_on_drop: false }`
[INFO] [stdout] 5a974e09730e014018253df5b79f3dc01f93f7619f393f4923059d8b23051bc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9475ac528de1ba8c156f1fa47d4f00191065ea05bbf56e170430a722cf0600f0
[INFO] running `Command { std: "docker" "start" "-a" "9475ac528de1ba8c156f1fa47d4f00191065ea05bbf56e170430a722cf0600f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking lex_lua v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `behind_current`
[INFO] [stdout]   --> tests/lua_repo_tests.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     let (behind_current, _) = text[..t.current_pos()]
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_behind_current`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_read`
[INFO] [stdout]   --> tests/lua_repo_tests.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn try_read(p: impl AsRef<Path>) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "9475ac528de1ba8c156f1fa47d4f00191065ea05bbf56e170430a722cf0600f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9475ac528de1ba8c156f1fa47d4f00191065ea05bbf56e170430a722cf0600f0", kill_on_drop: false }`
[INFO] [stdout] 9475ac528de1ba8c156f1fa47d4f00191065ea05bbf56e170430a722cf0600f0